{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86601",
    "entityType": "User",
    "nonce": "0x1ede70826362c0643e31f5df7bca2d0f7f7e7f849afdf288b03d349449426078",
    "signature": "0x736ba316b79e05d84128a9c45409d5e6e29359636af3b3616b088dd73054bcab2a8d20d1dff269946f1ff07d1a9ab4a89427882b4123389ace506be87629dd1e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}